Senior Fullstack TypeScript Developer (Product Engineer)

Academic Key; Paris; Hybrid; EUR 65,000 - 75,000; Full time

Benefits offered by this job

Profit sharing

Full-remote policy

Office in Paris

Job summary

Lemlist is seeking a Senior Fullstack TypeScript Developer to design and build features for our SaaS products, spanning frontend and backend. You will lead technical initiatives, improve code quality, and collaborate with a high-growth team in a remote-friendly setup.

You should be passionate, autonomous, and ready to tackle complex challenges, with strong TypeScript/JavaScript experience and a bias for action. This role offers flexibility with remote work and a Paris presence.

Qualifications

• 7+ years of experience in TypeScript/JavaScript development.
• Proven track record building and maintaining web apps.
• Strong NodeJS and MongoDB skills; React is a plus.
• Ability to work independently and own complex projects.
• Comfort with agile methodologies and remote collaboration.
• Excellent communication; English and French preferred; European timezone.

Responsibilities

• Design and develop features across frontend and backend for SaaS products.
• Lead technical direction within the squad and set coding standards.
• Refactor code, fix bugs, and optimize performance.
• Manage multiple projects and coordinate with support.
• Mentor teammates and share knowledge to raise the team's competency.

Skills

TypeScript

JavaScript

NodeJS

MongoDB

React

Tools

NodeJS

MongoDB

React

Job description

Senior Fullstack TypeScript Developer (Product Engineer)

Abroad

Lemlist · Paris

Full Time

Link validated

About lemlist

lemlist is a global B2B SaaS business with the mission to help any business grow. We are doing over $54M in ARR while being: Bootstrapped Profitable A small, agile team of 170 highly talented people, remote-friendly Majority owned by an entrepreneur, Guillaume Moubeche, Founder & Chairman — which gives us maximum freedom We operate 2 business lines: Sales Engagement with our flagship products lemlist & Claap, generating $58M ARR and growing over 50% year over year Personal Branding with Taplio & Tweet Hunter, generating $4M ARR lemlist is a highly ambitious company that aims to become a world-class giant in the Sales Tech space. Our mantra: Keep growing – and we live by it every day.

Job Description

We’re looking for a Senior Fullstack TypeScript Developer to join our team. You’ll be responsible for designing and developing new features for our SaaS products. We need someone who is passionate, autonomous, and loves technical challenges.

• Design and develop new features from scratch, both on the frontend and backend,
• Independently developing new features that enhance user experience and increase product functionality.
• Stepping into the role of technical lead within your squad, driving excellence and setting standards.
• Improve the code base with refactoring, bug fixes, and optimization
• Work on multiple projects simultaneously
• Help the customer support team on technical issues, providing prompt and effective solutions
• Facilitating knowledge sharing and capacity building by training fellow developers, enhancing overall team competency and productivity.

Key results

Within 3 months you will have Successfully onboarded and integrated into the team Developed a deep understanding of our B2B SaaS products and their technical requirements Contributed to the development of new features and improvements to our existing code base Within 12 months you will have Played a key role in the development and delivery of multiple successful projects Made significant contributions to the optimization and scalability of our software products

What’s in it for you?

• Work in a profitable, bootstrapped, and high-growth company that doesn’t rely on external funding to live.
• You will have the opportunity to make a lasting impact on a suite of products that are changing the game in multiple industries.
• Work with passionate senior engineers who share their knowledge and expertise
• Great ownership of your work.
• You will be part of a dynamic, innovative, and passionate team that respects autonomy and encourages individual input.
• No endless meetings
• Full remote policy
• You will grow professionally and personally, enhancing your technical skills and expanding your global network.

Preferred Experience Must have

• You’re an expert in TypeScript / JavaScript with at least 7 years of XP
• You have a proven track record in building and maintaining web applications.
• You have a robust understanding of NodeJS and MongoDB , and ideally React
• You’re able to work independently and take ownership of complex projects
• You’re a fast learner
• You’re comfortable with the agile methodologies
• You like to communicate
• You like to work remotely, Gather, Slack and Notion are your best friends
• You are adaptable and like to discover new things and you can work on front-end integration, back-end development, mongo optimization, performance issues and more
• You speak French and English and you are in the French timezone

Nice to have

• You have a first experience in B2B SaaS startup
• You are self-taught, you have been developing personal projects since you were a child or in the evenings and weekends. This is not mandatory but a big plus for us, we are all passionate about programming and like to create things, both at work and outside

Additional Information

• Salary between 65K€ and 75K€ fixed salary
• Profit sharing: When lempire wins, all team members share the profits
• Where you live, and work is totally up to you – we do have an office in Paris if you enjoy life at the office
• Alan Blue: Comprehensive 100% premium medical coverage for you and your family
• Swile Meal Tickets: Enjoy daily meal tickets to fuel productivity
• Navigo Card: Seamless commuting with a 100% covered Navigo card Full-remote Work Setup: A well-funded home office budget to ensure seamless remote work Gear: Get a 48GB Macbook Pro + tools and equipment you need for your job Team building: We all meet once per year at really cool places around the world (you can check our video here ;)

Recruitment process

• Interview with Lucas our TAM
• Technical interview with Corentin, our VP of Engineering
• Technical Interview with Mickael, our CTO
• Interview with Charles, our CEO

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